Revision 67b915a5 vl.c
| b/vl.c | ||
|---|---|---|
| 21 | 21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | 22 |
* THE SOFTWARE. |
| 23 | 23 |
*/ |
| 24 |
#include <stdlib.h> |
|
| 25 |
#include <stdio.h> |
|
| 26 |
#include <stdarg.h> |
|
| 27 |
#include <string.h> |
|
| 28 |
#include <ctype.h> |
|
| 24 |
#include "vl.h" |
|
| 25 |
|
|
| 29 | 26 |
#include <getopt.h> |
| 30 |
#include <inttypes.h> |
|
| 31 | 27 |
#include <unistd.h> |
| 32 |
#include <sys/mman.h> |
|
| 33 | 28 |
#include <fcntl.h> |
| 34 | 29 |
#include <signal.h> |
| 35 | 30 |
#include <time.h> |
| 36 |
#include <sys/time.h> |
|
| 37 | 31 |
#include <malloc.h> |
| 38 |
#include <termios.h> |
|
| 39 |
#include <sys/poll.h> |
|
| 40 | 32 |
#include <errno.h> |
| 33 |
#include <sys/time.h> |
|
| 34 |
|
|
| 35 |
#ifndef _WIN32 |
|
| 36 |
#include <sys/times.h> |
|
| 41 | 37 |
#include <sys/wait.h> |
| 42 | 38 |
#include <pty.h> |
| 43 |
#include <sys/times.h> |
|
| 44 |
|
|
| 39 |
#include <termios.h> |
|
| 40 |
#include <sys/poll.h> |
|
| 41 |
#include <sys/mman.h> |
|
| 45 | 42 |
#include <sys/ioctl.h> |
| 46 | 43 |
#include <sys/socket.h> |
| 47 | 44 |
#include <linux/if.h> |
| 48 | 45 |
#include <linux/if_tun.h> |
| 46 |
#endif |
|
| 47 |
|
|
| 48 |
#ifdef _WIN32 |
|
| 49 |
#include <sys/timeb.h> |
|
| 50 |
#include <windows.h> |
|
| 51 |
#define getopt_long_only getopt_long |
|
| 52 |
#define memalign(align, size) malloc(size) |
|
| 53 |
#endif |
|
| 54 |
|
|
| 49 | 55 |
|
| 50 | 56 |
#include "disas.h" |
| 51 | 57 |
|
| 52 |
#include "vl.h" |
|
| 53 | 58 |
#include "exec-all.h" |
| 54 | 59 |
|
| 55 | 60 |
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
| ... | ... | |
| 375 | 380 |
} |
| 376 | 381 |
} |
| 377 | 382 |
|
| 378 |
int64_t get_clock(void) |
|
| 383 |
static int64_t get_clock(void)
|
|
| 379 | 384 |
{
|
| 385 |
#ifdef _WIN32 |
|
| 386 |
struct _timeb tb; |
|
| 387 |
_ftime(&tb); |
|
| 388 |
return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; |
|
| 389 |
#else |
|
| 380 | 390 |
struct timeval tv; |
| 381 | 391 |
gettimeofday(&tv, NULL); |
| 382 | 392 |
return tv.tv_sec * 1000000LL + tv.tv_usec; |
| 393 |
#endif |
|
| 383 | 394 |
} |
| 384 | 395 |
|
| 385 | 396 |
void cpu_calibrate_ticks(void) |
| ... | ... | |
| 388 | 399 |
|
| 389 | 400 |
usec = get_clock(); |
| 390 | 401 |
ticks = cpu_get_real_ticks(); |
| 402 |
#ifdef _WIN32 |
|
| 403 |
Sleep(50); |
|
| 404 |
#else |
|
| 391 | 405 |
usleep(50 * 1000); |
| 406 |
#endif |
|
| 392 | 407 |
usec = get_clock() - usec; |
| 393 | 408 |
ticks = cpu_get_real_ticks() - ticks; |
| 394 | 409 |
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
| ... | ... | |
| 438 | 453 |
QEMUClock *vm_clock; |
| 439 | 454 |
|
| 440 | 455 |
static QEMUTimer *active_timers[2]; |
| 456 |
#ifndef _WIN32 |
|
| 441 | 457 |
/* frequency of the times() clock tick */ |
| 442 | 458 |
static int timer_freq; |
| 459 |
#endif |
|
| 443 | 460 |
|
| 444 | 461 |
QEMUClock *qemu_new_clock(int type) |
| 445 | 462 |
{
|
| ... | ... | |
| 550 | 567 |
{
|
| 551 | 568 |
switch(clock->type) {
|
| 552 | 569 |
case QEMU_TIMER_REALTIME: |
| 570 |
#ifdef _WIN32 |
|
| 571 |
return GetTickCount(); |
|
| 572 |
#else |
|
| 553 | 573 |
/* XXX: portability among Linux hosts */ |
| 554 | 574 |
if (timer_freq == 100) {
|
| 555 | 575 |
return times(NULL) * 10; |
| 556 | 576 |
} else {
|
| 557 | 577 |
return ((int64_t)times(NULL) * 1000) / timer_freq; |
| 558 | 578 |
} |
| 579 |
#endif |
|
| 559 | 580 |
default: |
| 560 | 581 |
case QEMU_TIMER_VIRTUAL: |
| 561 | 582 |
return cpu_get_ticks(); |
| ... | ... | |
| 608 | 629 |
return 0; |
| 609 | 630 |
} |
| 610 | 631 |
|
| 632 |
#ifdef _WIN32 |
|
| 633 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
|
| 634 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
|
| 635 |
#else |
|
| 611 | 636 |
static void host_alarm_handler(int host_signum) |
| 637 |
#endif |
|
| 612 | 638 |
{
|
| 613 | 639 |
if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
| 614 | 640 |
qemu_get_clock(vm_clock)) || |
| ... | ... | |
| 621 | 647 |
|
| 622 | 648 |
static void init_timers(void) |
| 623 | 649 |
{
|
| 624 |
struct sigaction act; |
|
| 625 |
struct itimerval itv; |
|
| 626 |
|
|
| 627 |
/* get times() syscall frequency */ |
|
| 628 |
timer_freq = sysconf(_SC_CLK_TCK); |
|
| 629 |
|
|
| 630 | 650 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
| 631 | 651 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
| 632 | 652 |
|
| 633 |
/* timer signal */ |
|
| 634 |
sigfillset(&act.sa_mask); |
|
| 635 |
act.sa_flags = 0; |
|
| 653 |
#ifdef _WIN32 |
|
| 654 |
{
|
|
| 655 |
int count=0; |
|
| 656 |
MMRESULT timerID = timeSetEvent(10, // interval (ms) |
|
| 657 |
0, // resolution |
|
| 658 |
host_alarm_handler, // function |
|
| 659 |
(DWORD)&count, // user parameter |
|
| 660 |
TIME_PERIODIC | TIME_CALLBACK_FUNCTION); |
|
| 661 |
if( !timerID ) {
|
|
| 662 |
perror("failed timer alarm");
|
|
| 663 |
exit(1); |
|
| 664 |
} |
|
| 665 |
} |
|
| 666 |
pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; |
|
| 667 |
#else |
|
| 668 |
{
|
|
| 669 |
struct sigaction act; |
|
| 670 |
struct itimerval itv; |
|
| 671 |
|
|
| 672 |
/* get times() syscall frequency */ |
|
| 673 |
timer_freq = sysconf(_SC_CLK_TCK); |
|
| 674 |
|
|
| 675 |
/* timer signal */ |
|
| 676 |
sigfillset(&act.sa_mask); |
|
| 677 |
act.sa_flags = 0; |
|
| 636 | 678 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY) |
| 637 |
act.sa_flags |= SA_ONSTACK; |
|
| 679 |
act.sa_flags |= SA_ONSTACK; |
|
| 680 |
#endif |
|
| 681 |
act.sa_handler = host_alarm_handler; |
|
| 682 |
sigaction(SIGALRM, &act, NULL); |
|
| 683 |
|
|
| 684 |
itv.it_interval.tv_sec = 0; |
|
| 685 |
itv.it_interval.tv_usec = 1000; |
|
| 686 |
itv.it_value.tv_sec = 0; |
|
| 687 |
itv.it_value.tv_usec = 10 * 1000; |
|
| 688 |
setitimer(ITIMER_REAL, &itv, NULL); |
|
| 689 |
/* we probe the tick duration of the kernel to inform the user if |
|
| 690 |
the emulated kernel requested a too high timer frequency */ |
|
| 691 |
getitimer(ITIMER_REAL, &itv); |
|
| 692 |
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) / |
|
| 693 |
1000000; |
|
| 694 |
} |
|
| 638 | 695 |
#endif |
| 639 |
act.sa_handler = host_alarm_handler; |
|
| 640 |
sigaction(SIGALRM, &act, NULL); |
|
| 641 |
|
|
| 642 |
itv.it_interval.tv_sec = 0; |
|
| 643 |
itv.it_interval.tv_usec = 1000; |
|
| 644 |
itv.it_value.tv_sec = 0; |
|
| 645 |
itv.it_value.tv_usec = 10 * 1000; |
|
| 646 |
setitimer(ITIMER_REAL, &itv, NULL); |
|
| 647 |
/* we probe the tick duration of the kernel to inform the user if |
|
| 648 |
the emulated kernel requested a too high timer frequency */ |
|
| 649 |
getitimer(ITIMER_REAL, &itv); |
|
| 650 |
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) / |
|
| 651 |
1000000; |
|
| 652 | 696 |
} |
| 653 | 697 |
|
| 654 | 698 |
/***********************************************************/ |
| 655 | 699 |
/* serial device */ |
| 656 | 700 |
|
| 701 |
#ifdef _WIN32 |
|
| 702 |
|
|
| 703 |
int serial_open_device(void) |
|
| 704 |
{
|
|
| 705 |
return -1; |
|
| 706 |
} |
|
| 707 |
|
|
| 708 |
#else |
|
| 709 |
|
|
| 657 | 710 |
int serial_open_device(void) |
| 658 | 711 |
{
|
| 659 | 712 |
char slave_name[1024]; |
| ... | ... | |
| 672 | 725 |
} |
| 673 | 726 |
} |
| 674 | 727 |
|
| 728 |
#endif |
|
| 729 |
|
|
| 675 | 730 |
/***********************************************************/ |
| 676 | 731 |
/* Linux network device redirector */ |
| 677 | 732 |
|
| 733 |
#ifdef _WIN32 |
|
| 734 |
|
|
| 735 |
static int net_init(void) |
|
| 736 |
{
|
|
| 737 |
return 0; |
|
| 738 |
} |
|
| 739 |
|
|
| 740 |
void net_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
|
| 741 |
{
|
|
| 742 |
} |
|
| 743 |
|
|
| 744 |
#else |
|
| 745 |
|
|
| 678 | 746 |
static int tun_open(char *ifname, int ifname_size) |
| 679 | 747 |
{
|
| 680 | 748 |
struct ifreq ifr; |
| ... | ... | |
| 753 | 821 |
write(nd->fd, buf, size); |
| 754 | 822 |
} |
| 755 | 823 |
|
| 824 |
#endif |
|
| 825 |
|
|
| 756 | 826 |
/***********************************************************/ |
| 757 | 827 |
/* dumb display */ |
| 758 | 828 |
|
| 829 |
#ifdef _WIN32 |
|
| 830 |
|
|
| 831 |
static void term_exit(void) |
|
| 832 |
{
|
|
| 833 |
} |
|
| 834 |
|
|
| 835 |
static void term_init(void) |
|
| 836 |
{
|
|
| 837 |
} |
|
| 838 |
|
|
| 839 |
#else |
|
| 840 |
|
|
| 759 | 841 |
/* init terminal so that we can grab keys */ |
| 760 | 842 |
static struct termios oldtty; |
| 761 | 843 |
|
| ... | ... | |
| 790 | 872 |
fcntl(0, F_SETFL, O_NONBLOCK); |
| 791 | 873 |
} |
| 792 | 874 |
|
| 875 |
#endif |
|
| 876 |
|
|
| 793 | 877 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
| 794 | 878 |
{
|
| 795 | 879 |
} |
| ... | ... | |
| 1396 | 1480 |
|
| 1397 | 1481 |
int main_loop(void) |
| 1398 | 1482 |
{
|
| 1483 |
#ifndef _WIN32 |
|
| 1399 | 1484 |
struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
| 1400 |
int ret, n, timeout, max_size; |
|
| 1401 |
uint8_t buf[4096]; |
|
| 1402 | 1485 |
IOHandlerRecord *ioh, *ioh_next; |
| 1486 |
uint8_t buf[4096]; |
|
| 1487 |
int n, max_size; |
|
| 1488 |
#endif |
|
| 1489 |
int ret, timeout; |
|
| 1403 | 1490 |
CPUState *env = global_env; |
| 1404 | 1491 |
|
| 1405 | 1492 |
for(;;) {
|
| ... | ... | |
| 1422 | 1509 |
timeout = 10; |
| 1423 | 1510 |
} |
| 1424 | 1511 |
|
| 1512 |
#ifndef _WIN32 |
|
| 1425 | 1513 |
/* poll any events */ |
| 1426 | 1514 |
/* XXX: separate device handlers from system ones */ |
| 1427 | 1515 |
pf = ufds; |
| ... | ... | |
| 1471 | 1559 |
} |
| 1472 | 1560 |
} |
| 1473 | 1561 |
} |
| 1562 |
#endif |
|
| 1474 | 1563 |
|
| 1475 | 1564 |
if (vm_running) {
|
| 1476 | 1565 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
| ... | ... | |
| 1592 | 1681 |
|
| 1593 | 1682 |
int main(int argc, char **argv) |
| 1594 | 1683 |
{
|
| 1595 |
int c, i, use_gdbstub, gdbstub_port, long_index, has_cdrom; |
|
| 1684 |
#ifdef CONFIG_GDBSTUB |
|
| 1685 |
int use_gdbstub, gdbstub_port; |
|
| 1686 |
#endif |
|
| 1687 |
int c, i, long_index, has_cdrom; |
|
| 1596 | 1688 |
int snapshot, linux_boot; |
| 1597 | 1689 |
CPUState *env; |
| 1598 | 1690 |
const char *initrd_filename; |
| ... | ... | |
| 1601 | 1693 |
DisplayState *ds = &display_state; |
| 1602 | 1694 |
int cyls, heads, secs; |
| 1603 | 1695 |
|
| 1696 |
#if !defined(CONFIG_SOFTMMU) |
|
| 1604 | 1697 |
/* we never want that malloc() uses mmap() */ |
| 1605 | 1698 |
mallopt(M_MMAP_THRESHOLD, 4096 * 1024); |
| 1699 |
#endif |
|
| 1606 | 1700 |
initrd_filename = NULL; |
| 1607 | 1701 |
for(i = 0; i < MAX_FD; i++) |
| 1608 | 1702 |
fd_filename[i] = NULL; |
| ... | ... | |
| 1611 | 1705 |
ram_size = 32 * 1024 * 1024; |
| 1612 | 1706 |
vga_ram_size = VGA_RAM_SIZE; |
| 1613 | 1707 |
pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
| 1708 |
#ifdef CONFIG_GDBSTUB |
|
| 1614 | 1709 |
use_gdbstub = 0; |
| 1615 | 1710 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
| 1711 |
#endif |
|
| 1616 | 1712 |
snapshot = 0; |
| 1617 | 1713 |
nographic = 0; |
| 1618 | 1714 |
kernel_filename = NULL; |
| ... | ... | |
| 1773 | 1869 |
case 'n': |
| 1774 | 1870 |
pstrcpy(network_script, sizeof(network_script), optarg); |
| 1775 | 1871 |
break; |
| 1872 |
#ifdef CONFIG_GDBSTUB |
|
| 1776 | 1873 |
case 's': |
| 1777 | 1874 |
use_gdbstub = 1; |
| 1778 | 1875 |
break; |
| 1779 | 1876 |
case 'p': |
| 1780 | 1877 |
gdbstub_port = atoi(optarg); |
| 1781 | 1878 |
break; |
| 1879 |
#endif |
|
| 1782 | 1880 |
case 'L': |
| 1783 | 1881 |
bios_dir = optarg; |
| 1784 | 1882 |
break; |
| ... | ... | |
| 1976 | 2074 |
} |
| 1977 | 2075 |
#endif |
| 1978 | 2076 |
|
| 2077 |
#ifndef _WIN32 |
|
| 1979 | 2078 |
{
|
| 1980 | 2079 |
struct sigaction act; |
| 1981 | 2080 |
sigfillset(&act.sa_mask); |
| ... | ... | |
| 1983 | 2082 |
act.sa_handler = SIG_IGN; |
| 1984 | 2083 |
sigaction(SIGPIPE, &act, NULL); |
| 1985 | 2084 |
} |
| 2085 |
#endif |
|
| 1986 | 2086 |
|
| 1987 | 2087 |
gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
| 1988 | 2088 |
qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); |
| 1989 | 2089 |
|
| 2090 |
#ifdef CONFIG_GDBSTUB |
|
| 1990 | 2091 |
if (use_gdbstub) {
|
| 1991 | 2092 |
if (gdbserver_start(gdbstub_port) < 0) {
|
| 1992 | 2093 |
fprintf(stderr, "Could not open gdbserver socket on port %d\n", |
| ... | ... | |
| 1995 | 2096 |
} else {
|
| 1996 | 2097 |
printf("Waiting gdb connection on port %d\n", gdbstub_port);
|
| 1997 | 2098 |
} |
| 1998 |
} else {
|
|
| 2099 |
} else |
|
| 2100 |
#endif |
|
| 2101 |
{
|
|
| 1999 | 2102 |
vm_start(); |
| 2000 | 2103 |
} |
| 2001 | 2104 |
term_init(); |
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